.40kW及以上电动机应采用真空电磁启动器控制。（）
参考答案：对
根据需要，工程档案可以编制一式几套，但必须有一套完整的原件由项目业主单位集中统一保管。
Alice is one of the students who I am sure always best in most difficult situations.
A．do her
B．do their
C．does her
D．does their
